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Implement HTTP POST based RPC (#5840)

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Added support for new RPC support using HTTP POST.  RPC's 
arguments and reply are Gob encoded and sent as HTTP 
request/response body.

This patch also removes Go RPC based implementation.
This commit is contained in:
Bala FA
2018-06-06 14:21:56 +05:30
committed by Nitish Tiwari
parent 9d41051e91
commit 6a53dd1701
59 changed files with 5272 additions and 4169 deletions
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89
cmd/lock-rpc-client.go
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@@ -16,56 +16,99 @@
package cmd
import "github.com/minio/dsync"
import (
"crypto/tls"
"github.com/minio/dsync"
xnet "github.com/minio/minio/pkg/net"
)
// LockRPCClient is authenticable lock RPC client compatible to dsync.NetLocker
type LockRPCClient struct {
*AuthRPCClient
*RPCClient
}
// newLockRPCClient returns new lock RPC client object.
func newLockRPCClient(config authConfig) *LockRPCClient {
return &LockRPCClient{newAuthRPCClient(config)}
// ServerAddr - dsync.NetLocker interface compatible method.
func (lockRPC *LockRPCClient) ServerAddr() string {
url := lockRPC.ServiceURL()
return url.Host
}
// ServiceEndpoint - dsync.NetLocker interface compatible method.
func (lockRPC *LockRPCClient) ServiceEndpoint() string {
url := lockRPC.ServiceURL()
return url.Path
}
// RLock calls read lock RPC.
func (lockRPCClient *LockRPCClient) RLock(args dsync.LockArgs) (reply bool, err error) {
lockArgs := newLockArgs(args)
err = lockRPCClient.AuthRPCClient.Call("Dsync.RLock", &lockArgs, &reply)
func (lockRPC *LockRPCClient) RLock(args dsync.LockArgs) (reply bool, err error) {
err = lockRPC.Call(lockServiceName+".RLock", &LockArgs{LockArgs: args}, &reply)
return reply, err
}
// Lock calls write lock RPC.
func (lockRPCClient *LockRPCClient) Lock(args dsync.LockArgs) (reply bool, err error) {
lockArgs := newLockArgs(args)
err = lockRPCClient.AuthRPCClient.Call("Dsync.Lock", &lockArgs, &reply)
func (lockRPC *LockRPCClient) Lock(args dsync.LockArgs) (reply bool, err error) {
err = lockRPC.Call(lockServiceName+".Lock", &LockArgs{LockArgs: args}, &reply)
return reply, err
}
// RUnlock calls read unlock RPC.
func (lockRPCClient *LockRPCClient) RUnlock(args dsync.LockArgs) (reply bool, err error) {
lockArgs := newLockArgs(args)
err = lockRPCClient.AuthRPCClient.Call("Dsync.RUnlock", &lockArgs, &reply)
func (lockRPC *LockRPCClient) RUnlock(args dsync.LockArgs) (reply bool, err error) {
err = lockRPC.Call(lockServiceName+".RUnlock", &LockArgs{LockArgs: args}, &reply)
return reply, err
}
// Unlock calls write unlock RPC.
func (lockRPCClient *LockRPCClient) Unlock(args dsync.LockArgs) (reply bool, err error) {
lockArgs := newLockArgs(args)
err = lockRPCClient.AuthRPCClient.Call("Dsync.Unlock", &lockArgs, &reply)
func (lockRPC *LockRPCClient) Unlock(args dsync.LockArgs) (reply bool, err error) {
err = lockRPC.Call(lockServiceName+".Unlock", &LockArgs{LockArgs: args}, &reply)
return reply, err
}
// ForceUnlock calls force unlock RPC.
func (lockRPCClient *LockRPCClient) ForceUnlock(args dsync.LockArgs) (reply bool, err error) {
lockArgs := newLockArgs(args)
err = lockRPCClient.AuthRPCClient.Call("Dsync.ForceUnlock", &lockArgs, &reply)
func (lockRPC *LockRPCClient) ForceUnlock(args dsync.LockArgs) (reply bool, err error) {
err = lockRPC.Call(lockServiceName+".ForceUnlock", &LockArgs{LockArgs: args}, &reply)
return reply, err
}
// Expired calls expired RPC.
func (lockRPCClient *LockRPCClient) Expired(args dsync.LockArgs) (reply bool, err error) {
lockArgs := newLockArgs(args)
err = lockRPCClient.AuthRPCClient.Call("Dsync.Expired", &lockArgs, &reply)
func (lockRPC *LockRPCClient) Expired(args dsync.LockArgs) (reply bool, err error) {
err = lockRPC.Call(lockServiceName+".Expired", &LockArgs{LockArgs: args}, &reply)
return reply, err
}
// NewLockRPCClient - returns new lock RPC client.
func NewLockRPCClient(host *xnet.Host) (*LockRPCClient, error) {
scheme := "http"
if globalIsSSL {
scheme = "https"
}
serviceURL := &xnet.URL{
Scheme: scheme,
Host: host.String(),
Path: lockServicePath,
}
var tlsConfig *tls.Config
if globalIsSSL {
tlsConfig = &tls.Config{
ServerName: host.Name,
RootCAs: globalRootCAs,
}
}
rpcClient, err := NewRPCClient(
RPCClientArgs{
NewAuthTokenFunc: newAuthToken,
RPCVersion: globalRPCAPIVersion,
ServiceName: lockServiceName,
ServiceURL: serviceURL,
TLSConfig: tlsConfig,
},
)
if err != nil {
return nil, err
}
return &LockRPCClient{rpcClient}, nil
}